In trading on Thursday, the iPath Short Extended S&P 500 TR ETN (NYSEArca:SFSA) is outperforming other ETFs, up about 9.15% on the day. Also up on the day is the ProShares VIX Short-Term Futures ETF (NYSEArca:VIXY) up 6.07%.

And underperforming other ETFs today is the iPath DJ-UBS Natural Gas TR Sub-Idx ETN (NYSEArca:GAZ), off about 9.52% in Thursday afternoon trading. Also down on the day is the Market Vectors Egypt Index ETF (NYSEArca:EGPT) down 3.58%.

Have you ever wondered how billionaires continue to get RICHER, while the rest of the world is struggling?

"I study billionaires for a living. To be more specific, I study how these investors generate such huge and consistent profits in the stock markets -- year-in and year-out."